$OpenBSD: patch-libtest_mock-transport_c,v 1.1 2013/11/30 10:02:12 steven Exp $
get struct iovec
--- libtest/mock-transport.c.orig	Sat Oct  5 08:42:43 2013
+++ libtest/mock-transport.c	Sat Oct  5 08:42:56 2013
@@ -26,6 +26,7 @@
 #include "gsockaddr.h"
 
 #include <string.h>
+#include <sys/uio.h>
 
 typedef struct
 {
